{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-043821","form_type":"8-K","ticker":null,"cik":"0001029142","company_name":"DYNAVAX TECHNOLOGIES CORP","filed_at":"2026-02-10T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.424951+00:00","generated_at":"2026-05-16T03:30:05.202781+00:00","sec_items":["1.01","1.02","2.01","3.01","3.03","5.01","5.02","5.03","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":1.0,"calibrated_materiality_score":1.0,"confidence":"high","headline":"Sanofi completes acquisition of Dynavax for $15.50 per share; shares delisted","bullets":["Tender offer accepted 84,680,752 shares (73.92% of outstanding); merger closed under Section 251(h) DGCL.","Each outstanding share cancelled and converted to $15.50 cash; Dynavax now indirect wholly owned by Sanofi.","Convertible notes (2.50% 2026 notes $40.2M, 2.00% 2030 notes $225M) amended to convert into cash based on $15.50.","Board replaced: all prior directors resigned; new directors appointed (T. 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